APA
Cisneros Espinoza F. E. 1., Feyen & Torres. (2001). Quantitative analysis of the performance of spinkler irrigation in the southern sierra of Ecuador, on slopes steeper than 12. Cuenca: .
Chicago
Cisneros Espinoza Felipe Eduardo 1953, Feyen and Torres. 2001. Quantitative analysis of the performance of spinkler irrigation in the southern sierra of Ecuador, on slopes steeper than 12. Cuenca: .
Harvard
Cisneros Espinoza F. E. 1., Feyen and Torres. (2001). Quantitative analysis of the performance of spinkler irrigation in the southern sierra of Ecuador, on slopes steeper than 12. Cuenca: .
MLA
Cisneros Espinoza Felipe Eduardo 1953, Feyen and Torres. Quantitative analysis of the performance of spinkler irrigation in the southern sierra of Ecuador, on slopes steeper than 12. Cuenca: . 2001.